The cation ring opening polymerization of the monomer(ECH) is carried out by using a catalyst SnCl 4 to obtain the polyepichlorohydrin(PECH) prepolymer , with the prepolymer PECH reacting on NaN 3 in organic solvent DMSO.
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- 用陽(yáng)離子聚合合成端羥基聚環(huán)氧氯丙烷（PECH），然后采用大分子基團取代的方法，讓PECH和NaN3在非質(zhì)子極性溶劑DMSO中反應合成疊氮粘合劑GAP。
